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MTTP Resource Library
This resource library compiles existing materials from established organizations and platforms that address the s identified in the Mass Timber Tipping Point project. We recognize and acknowledge that there are other excellent resource libraries in the mass timber space, including those maintained by organizations like WoodWorks, Think Wood, The Canadian Wood Council, The American Wood Council, Built by Nature, and the Washington Mass Timber Accelerator. This collection represents our lens and filter applied to resources from across the mass timber ecosystem, organized specifically around the 25 s and recommendations outlined in this report.
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2025 International Mass Timber Report
2025
Trifecta Collective (with editorial contributions from industry leaders)
The International Mass Timber Report is an annually published comprehensive business intelligence resource covering the entire mass timber supply chain, market analysis, and industry trends. Produced since 2019 by Trifecta Collective with contributions from industry leaders, the report provides detailed information on manufacturing capacity, market demand estimates, and supply chain dynamics. It serves as the primary business intelligence resource for mass timber stakeholders, including the Mass Timber Price Index and market projections.
Accommodating MEP in Exposed Mass Timber Buildings
2022
WoodWorks
Technical guidance addressing the integration of mechanical, electrical, and plumbing (MEP) systems in exposed mass timber buildings. Covers options for incorporating MEP services in floor and wall panels made from CLT, NLT, and DLT while maintaining aesthetic appeal of exposed timber. Discusses surface-mounted exposed systems, concealed installations, factory routing and boring, hybrid solutions, and building code considerations for Type IV construction concealed spaces. Addresses structural impacts of panel modifications and coordination with local MEP codes.
American Wood Council Code Adoption Map
Regularly updated
American Wood Council (AWC)
An interactive mapping tool that shows the current status and edition of the International Building Code (IBC) adopted by each state, including information on statewide, local, or limited adoption levels. The map helps users understand which building code provisions are currently enforceable in different jurisdictions across the United States.
Architectural Finishes and Mass Timber: A Primer
2024
WoodWorks
Comprehensive primer covering strategies and best practices for utilizing waterborne, environmentally-friendly architectural finishes to safeguard mass timber materials during transportation, storage, installation, and beyond. Addresses coatings selection, protective treatments vs. finishes, best practices for protecting wood in situ, maintenance cycles, moisture protection, UV protection, and coordination with design aesthetics. Emphasizes importance of factory-applied coating systems and development of moisture management plans.
B.C.'s Wood First Program
Regularly updated
Province of British Columbia (through Forestry Innovation Investment)
B.C.'s Wood First Program is a comprehensive government initiative launched in 2009 that promotes the use of British Columbia wood products through policy, funding, and market development activities. The program encompasses the Wood First Act (requiring wood consideration in provincially-funded buildings), the Mass Timber Action Plan, and the Mass Timber Demonstration Program ($9.1 million investment). The program has established B.C. as a global leader in mass timber construction with over 285 mass timber buildings and more buildings per capita than anywhere else in North America.
Bakers Place Case Study
2024
The Neutral Project LLC (with USDA Wood Innovations Grant funding)
A comprehensive case study examining environmental, economic, and scheduling performance of different structural systems applied to the same 14-story mixed-use development in Madison, WI. Conducted by The Neutral Project with funding from USDA Wood Innovations Grant Program and Softwood Lumber Board. The study compares Mass Timber-Steel Hybrid (baseline), All Mass Timber, All Steel, and Post-Tensioned Concrete schemes through detailed structural analysis, cost estimation, scheduling analysis, and whole-building life cycle assessment. Team included Michael Green Architecture, EQUILIBRIUM, Priopta, Arup, RDH Building Science, C.D.Smith, and USDA Forest Products Laboratory.
Boston Mass Timber Accelerator
2024
Boston Planning & Development Agency (BPDA) and Boston Society for Architecture (BSA)
The Boston Mass Timber Accelerator was a competitive technical assistance program that provided $25,000 grants and WoodWorks technical support to development teams exploring mass timber feasibility in early project phases. The program funded 10 projects across two rounds (2022-2023), resulting in 8 active projects totaling 1.3 million square feet and 22 future projects totaling 4.3 million square feet. The program concluded with a final report documenting lessons learned, carbon reduction findings (35-80% embodied carbon savings), and recommendations for advancing mass timber adoption.
Buy Clean California Publishes Embodied Carbon Limits
2021
Mantle (Mantle Developments)
Analysis of California's groundbreaking Buy Clean California Act embodied carbon limits that took effect July 1, 2021. Explains the GWP caps that set upper limits on embodied carbon intensity for structural steel, concrete reinforcing steel, flat glass, and mineral wool board insulation purchased by the state. Details how limits were calculated as average value collected over previous two years plus tolerance, and requirement for facility-specific Environmental Product Declarations (EPDs) for compliance. Discusses broader implications as California leads North American buy clean jurisdiction development, with similar legislation pending in Washington, Oregon, and potential federal programs.
CLT Layups and Basis of Design for Gravity Load Applications
2022
WoodWorks
Technical guidance on using layups defined in the ANSI/APA PRG 320 Standard for Performance-Rated Cross-Laminated Timber (CLT) as the basis for design. Covers CLT manufacturing from dimension lumber or structural composite lumber, standardization of CLT quality and structural properties, building code recognition since 2015 IBC, and seven stress grades of CLT panels (E1-E4 using machine stress-rated lumber, V1-V3 using visually-graded lumber). Addresses structural properties qualification process, construction type applications, and manufacturer considerations for available grades and layups beyond standard examples.
Canadian CLT Handbook
2019
FPInnovations
The Canadian CLT Handbook is a comprehensive two-volume, 812-page resource that provides peer-reviewed technical information on all aspects of CLT construction, from manufacturing to structural design. The 2019 edition includes updated regulations, research, and provisions for compliance with the CSA Standard in Engineering Design in Wood, plus a new chapter featuring a design prototype of an eight-storey mass timber building. It serves as the essential how-to resource for Canadian building professionals interested in construction and design using cross-laminated timber.
Carbon Credits for Mass Timber Construction
2023
USDA Forest Products Laboratory
Technical paper examining the potential for carbon credit programs to support mass timber construction by monetizing the carbon storage and emission reduction benefits of wood building systems. Analyzes how carbon markets could provide financial incentives for mass timber adoption by creating revenue streams from biogenic carbon storage and avoided emissions compared to conventional materials. Explores technical challenges and opportunities for developing standardized carbon credit methodologies specific to mass timber buildings, including measurement, verification, and permanence considerations for stored biogenic carbon.
Commercial Timber Guidebook
2024
Built By Nature / Timber Development UK
The Commercial Timber Guidebook provides industry consensus guidance for designing and constructing robust, durable, safe, and insurable mass timber buildings in the UK. Developed through collaboration between property developers, insurers, and technical experts, it addresses common concerns including durability, moisture management, fire safety, and insurability. The guidebook serves as a companion to the Mass Timber Insurance Playbook, providing detailed technical information to mitigate risks and improve insurability.
Corgan's Carbon Calculator
2025
Corgan
The Corgan Mass Timber Carbon Calculator is an innovative online tool designed to provide more accurate carbon emissions calculations for mass timber projects. It addresses gaps in traditional carbon accounting by incorporating previously overlooked emissions from slash (harvest residuals) in forests. The tool allows users to calculate adjusted biogenic carbon values based on tree species selection, slash management scenarios, and transportation distances.
Delegated Design vs. Design Assist for Mass Timber Structures:
2025
WoodWorks
Examines common collaboration strategies for mass timber projects, comparing delegated design and design assist approaches. Covers scope categories (connection design, member design, lateral design), responsibilities of Structural Engineer of Record (SEOR) versus specialty engineers, coordination challenges with building systems, contract documentation requirements, and cost considerations. Addresses coordination between timber structure and building systems like facades and MEPF, handoff documentation requirements, and additional resources from industry partners.
Design for Two-Way Spanning Cross-Laminated Timber - Considerations for utilizing CLT in two-way spanning applications.
2025
WoodWorks
Considerations for building designers seeking to utilize CLT's two-way span capabilities in point-supported floor systems and double-cantilever overhangs to eliminate beams and achieve thin structure depth. Covers orthotropic properties of CLT, design approaches for bending and shear capacity, bearing capacity at supports, local punching shear considerations, modeling and analysis methods using finite element analysis. Includes project examples like Brock Commons Tallwood House and 1510 Webster, with technical references to European design approaches and recent research.
DowelLam Design Guide - Dowel Laminated Timber (DLT)
2025
StructureCraft (DowelLam Division)
The DowelLam Design Guide is a comprehensive technical manual for Dowel Laminated Timber (DLT), an all-wood mass timber panel product that uses hardwood dowels to friction-fit boards together without metal fasteners or adhesives. Developed by StructureCraft's DowelLam division, this guide provides detailed engineering data, span tables, and design specifications for DLT panels used in floor, wall, and roof applications. The manual covers both standard DLT and Acoustic DLT (ADLT) products, representing over 3 million square feet of fabricated experience since 2017.
Exterior Walls in Mass Timber Buildings
2025
WoodWorks
Part 1 of series introducing construction types that allow extensive use of mass timber, covering material allowances, fire-resistance rating requirements (FRRs), and common exterior wall materials. Addresses 2021 IBC construction types (III, IV, V) including new tall timber types (IV-A, IV-B, IV-C), material requirements for each construction type, fire-resistance rating requirements based on occupancy and fire separation distance, and project examples. References companion Parts 2 and 3 covering floor-to-wall details and cladding systems.
Fire Design of Mass Timber Members: Code Applications, Construction Types and Fire Ratings
2021
WoodWorks
A comprehensive technical paper that supports architects and engineers exploring mass timber for commercial and multi-family construction by focusing on how to meet fire-resistance requirements in the International Building Code. It covers calculation and testing-based methods for demonstrating fire-resistance ratings of exposed mass timber elements.
Freres Mass Ply Design & Construction Guide
2019
Freres Engineered Wood
The Freres Mass Ply Design & Construction Guide is a comprehensive technical resource for Mass Plywood Panels (MPP), a patented veneer-based engineered wood product developed as an alternative to Cross-Laminated Timber. The guide covers Mass Ply products including panels, beams, and columns, manufactured from density-graded Douglas Fir veneers and certified under ANSI/APA PRG-320 and ASTM D5456 standards. Mass Ply products offer advantages over traditional CLT including better dimensional stability, the ability to use smaller diameter trees, and superior structural performance per volume of material used.
Getting to Yes: Making Effective Use of the Alternate Means Process
2021
WoodWorks - Wood Products Council
Comprehensive guide for navigating the Alternative Methods and Materials Request (AMMR) process to gain approval for innovative mass timber solutions that may not be explicitly covered by prescriptive building codes. Provides step-by-step guidance for design professionals on preparing effective alternative means applications, working with building officials, and demonstrating code compliance through performance-based approaches. Explains how AMMR provisions provide flexibility to address new concepts, innovations, and developments that may not have been recognized during formal code development. Includes case studies, sample applications, and strategies for successful approval of mass timber projects that push beyond standard code provisions.
How to Include Biogenic Carbon in an LCA
2023
WoodWorks
Part 2 in a series on biogenic carbon accounting for wood products, providing detailed guidance on specifics for each stage of the life cycle. Explains biogenic carbon flows at each life cycle stage (A1-A3 Production, A4-A5 Construction, B1-B7 Use, C1-C4 End-of-Life) with comprehensive coverage of how biogenic carbon enters and leaves product systems. Addresses production processes including forest management operations, manufacturing co-products, engineered wood products, construction waste, use stage considerations, and end-of-life scenarios including landfill, incineration, recycling, and reuse. Includes detailed technical diagrams and references to ISO 21930 standards.
Insurance for Mass Timber Construction: Assessing Risk and Providing Answers
2024
WoodWorks - Wood Products Council
Comprehensive guide addressing insurance challenges and risk assessment for mass timber construction projects. Developed with input from insurance industry stakeholders to help project teams navigate insurance requirements and demonstrate risk mitigation strategies. Covers builder's risk insurance, property insurance, liability considerations, and strategies for working with insurers unfamiliar with mass timber performance. Provides practical guidance on documentation, fire safety plans, contractor qualification requirements, and communication strategies to address insurance industry concerns about mass timber construction. Includes case studies and lessons learned from successful mass timber insurance negotiations.
Kalesnikoff Design Guide
2022
Kalesnikoff Mass Timber Inc.
The Kalesnikoff Design Guide is a comprehensive technical resource created by Kalesnikoff, a vertically integrated, multi-species mass timber manufacturer based in British Columbia. The guide provides detailed design tables, panel specifications, load calculations, and technical data for cross-laminated timber (CLT) and glue-laminated timber (GLT) products. It includes extensive load tables for different panel configurations, structural properties, and vibration requirements, serving as a practical engineering reference for builders, architects, and engineers.
Mapping Mass Timber Projects in Design & Constructed
Regularly updated
WoodWorks - Wood Products Council
WoodWorks maintains a comprehensive mapping database that tracks mass timber projects across North America from design through completion. As of March 2025, the database includes 2,427 multi-family, commercial, and institutional mass timber projects in progress or completed in the United States. The mapping tool is integrated with the WoodWorks Innovation Network (WIN), providing an interactive platform where users can explore project details and connect with project teams.
Mass Timber Business Case Studies
2023
WoodWorks
This collection presents detailed economic analyses of completed mass timber projects across various building types in North America. Created in collaboration with Conrad Investment Management, these case studies analyze the business performance of mass timber buildings from an investment perspective. Each case study provides development overviews, quantitative metrics, and comparative return analyses to communicate the business case for mass timber to investors and developers.
Mass Timber Cost and Design Optimization Checklists
2022
WoodWorks
This document provides comprehensive checklists for architects, engineers, and construction professionals to optimize both design and costs of mass timber projects. Organized by project phase, the checklists guide teams through pre-design, schematic design, and design development considerations. The resource covers critical topics including contract model selection, grid sizing, material optimization, and cost-estimating approaches.
Mass Timber Installation Training Curriculum
Regularly updated
WoodWorks
Open-source training modules intended for use by contractors, subcontractor erectors, training centers, community colleges, and workforce development programs to ensure that qualified workers are available to install mass timber projects across the country.The curriculum complements WoodWorks' efforts to ensure qualified workers are available and covers fundamentals of mass timber installation with content for workers with all levels of experience.
Mass Timber LookBook
2024
Think Wood (funded by the Softwood Lumber Board)
A visual collection of innovative mass timber project examples that demonstrates how mass timber is used to solve design s, cut carbon, and take adaptive reuse to new levels. The LookBook features designs from leading firms including Korb+Associates, The Miller Hull Partnership, CO Adaptive Architecture, LMN Architects, Mildren Design Group, and Lake|Flato, showcasing projects ranging from a record-setting 25-story residential timber tower in Milwaukee to adaptive reuse of historic buildings.
Mass Timber: The Optimal Solution for Multi-Family High-Rise Construction
2024
WoodWorks
4-page brief providing overview of mass timber's value proposition for multi-family high-rise buildings, featuring commentary from developers of tall mass timber projects who collectively answer "Why mass timber, why now." Addresses how urbanization and rising land costs drive greater densification, creating need for efficient and sustainable construction methods. Includes insights from developers of completed tall timber projects in the U.S., providing real-world perspectives on the business case for mass timber in high-rise applications. Focuses on practical developer experiences and decision-making factors for selecting mass timber in urban, high-density contexts.
Minoro
Regularly updated
Grimshaw (in partnership with World Business Council for Sustainable Development)
Minoro is a comprehensive digital platform developed by Grimshaw and the World Business Council for Sustainable Development to streamline carbon management across the building lifecycle. The platform serves as a centralized repository of curated guidance, tools, and resources for carbon reduction in buildings and infrastructure projects. It provides a stepwise approach to carbon management with identified actions and responsibilities at each project stage for all construction stakeholders.
Nordic Structures Technical Documents Library
Regularly updated
Nordic Structures
Nordic Structures' Technical Documents Library is a comprehensive collection of technical resources from a company with over 50 years of experience as wood processing innovators. The library includes technical guides for Nordic products, construction details, specification guides, finishings guides, durability classifications, maximum floor span guides, and installation guides. This collection provides professionals with comprehensive insights needed to design and build using mass timber products from Nordic Structures.
Primer on Project Delivery
2019
Associated General Contractors of America (AGC) & American Institute of Architects (AIA)
Joint publication providing comprehensive overview of various project delivery methods available to owners, designers, and contractors. Covers design-bid-build, design-build, construction manager at-risk, integrated project delivery, and other delivery approaches. Explains advantages, disadvantages, risk allocation, and appropriate applications for each method. Provides guidance on contract structures, team selection, and project management approaches for different delivery methods. Serves as educational resource for stakeholders considering alternatives to traditional project delivery approaches.
Resources for Designing and Building with Wood: Continuing Education for Architects
Regularly updated
Think Wood
Think Wood offers an extensive CEU library with AIA and GCBI accredited courses designed to help architects and designers discover the power of using wood in new applications. The continuing education program covers multifamily buildings, commercial structures, mass timber framing, tall wood construction, sustainability, and interior design applications. Courses include topics such as the 2021 International Building Code changes for tall wood construction, sustainable building practices, and design strategies for incorporating wood into various building types.
Specifying Appearance for CLT, NLT and Glulam
2024
WoodWorks
A primer for designers seeking to specify appearance for cross-laminated timber (CLT), nail-laminated timber (NLT), and glue-laminated timber (glulam). Covers appearance classification systems including architectural and industrial categories for CLT per ANSI/APA PRG 320 standards, specification approaches for DLT and NLT using project specifications, and standardized glulam appearance classifications (Premium, Architectural, Industrial, Framing). Addresses differences between North American and European appearance terminology, surface characteristics specification, lumber grades, and coordination between end-users and manufacturers. Includes practical guidance on specification language, acceptable aesthetic characteristics, and manufacturer coordination processes.
A Developer’s Guide to Mass Timber
2024
The Neutral Project LLC
A comprehensive introduction to mass timber development written by Fed Novikov and Nate Helbach from Neutral, a sustainable development company. The guide addresses critical considerations for developers across project stages including cost analysis, scheduling, procurement, and construction. Features a detailed comparative study of four structural systems (Mass Timber-Steel Hybrid, All Mass Timber, All Steel, Post-Tensioned Concrete) for a 14-story mixed-use building in Madison, WI, examining environmental, economic, and scheduling performance through structural engineering, LCA analysis, and construction estimates.
Acoustics and Mass Timber: Room-to-Room Noise Control
2023
WoodWorks
Technical resource addressing acoustic performance considerations for mass timber construction, specifically focusing on room-to-room noise control in multi-family and commercial buildings. Covers sound transmission characteristics of mass timber assemblies, design strategies for meeting acoustic performance requirements, and coordination between structural and acoustic design goals. Provides guidance on STC ratings, impact sound transmission, and acoustic detailing for mass timber floor and wall assemblies.
American Wood Council Design and Construction Manuals
Regularly updated
American Wood Council (AWC)
The American Wood Council's Technical Publications Collection comprises an extensive library of authoritative resources for the design, construction, and regulation of wood buildings. Key publications include the National Design Specification (NDS) for Wood Construction, Fire Design Specification for Wood Construction, and Understanding the Mass Timber Proposals guide for building officials. These documents serve as the foundation for wood design provisions in U.S. building codes and are essential references for professionals working with mass timber.
Athena Sustainable Materials Institute LCA Software Suite
Regularly updated
Athena Sustainable Materials Institute
The Athena Sustainable Materials Institute is a non-profit research collaborative that develops Life Cycle Assessment (LCA) data and software tools specifically for the construction sector. Athena's software suite includes the Impact Estimator for Buildings (comprehensive whole-building LCA tool) and the EcoCalculator for Assemblies (quick assessment spreadsheet tool). These tools are supported by extensive, regionally-sensitive life cycle inventory databases built from actual manufacturing data and are provided free to support widespread LCA adoption.
BC Mass Timber Demonstration Program (MTDP)
Regularly updated
Province of British Columbia (through Forestry Innovation Investment)
A provincial government program that provides funding (up to $500,000 per project) for incremental costs in the design and construction of buildings that demonstrate emerging or new mass timber building systems. The program has invested $9.1 million across multiple intakes to support real-world mass timber projects and research, with recipients required to share lessons learned and results to support future mass timber adoption.
Biogenic Carbon Accounting in WBLCA Tools
2024
WoodWorks
Part 3 in a series on biogenic carbon accounting for wood products, exploring the nuances of how different whole building life cycle assessment (WBLCA) tools handle biogenic carbon accounting. Covers detailed comparison of three major WBLCA tools: Athena Impact Estimator, Tally, and OneClick LCA. Addresses how each tool includes or excludes biogenic carbon flows, end-of-life scenario assumptions, and permanent carbon storage calculations. Provides specific percentages and methodologies for biogenic carbon accounting in each tool, helping designers understand differences in reporting methodologies and select appropriate tools that align with ISO 21930 standards.
Build in Wood Policy Catalogue
2024
Build-in-Wood Project (EU Horizon 2020 program) / Danish Technological Institute
A comprehensive catalogue developed through the EU-funded Build-in-Wood project that presents the rationale, characteristics and impact of different policy instruments promoting timber construction at global and sub-national levels. Features analysis from seven Early Adopter Cities across Europe (Amsterdam, Brasov, Copenhagen, Haringey Borough London, Innsbruck, Trento, Trondheim) to support wood becoming a first-choice competitive building material for multi-storey buildings. Provides evidence for policymakers and municipalities with overview of current best practices and new developments in policy and regulatory environment governing construction sector, specifically for building materials and wood use in multi-storey buildings.
CLT Diaphragm Design Guide
2023
WoodWorks
Comprehensive 144-page design guide developed collaboratively with mass timber structural engineering experts. Provides detailed guidance for design of CLT diaphragms used as part of wind and seismic lateral force-resisting systems following SDPWS provisions. Includes analysis methods, design procedures, constructability considerations, collector and chord details, full design examples, and pre-calculated tables of connection capacities. Addresses practical implementation challenges that were previously handled through alternate means processes with building officials.
CLT Shear Wall Options in the US
2025
WoodWorks
Comprehensive coverage of cross-laminated timber (CLT) and light-frame wood shear wall systems available for use and in development. References 2024 IBC, 2021 SDPWS, and ASCE 7-22. Covers SDPWS Appendix B CLT shear walls, Section 4.6.3 Exception CLT shear walls, mass timber rocking shear walls, and Oregon Statewide Alternate Method. Includes seismic design parameters, height limits, construction type compatibility, and application guidance for different building types (residential, office, educational, industrial, tall timber). Provides comparative tables of shear wall systems and their design coefficients.
Canadian Mass Timber Roadmap
2024
The Transition Accelerator, Forest Products Association of Canada (FPAC), Canadian Wood Council (CWC), and Energy Futures Lab (EFL)
This comprehensive national strategy presents a roadmap for developing Canada's mass timber industry from forest to buildings. Created through collaboration between multiple Canadian organizations, the document outlines an ambitious vision to increase the Canadian mass timber market to $1.2 billion by 2030 and $2.4 billion by 2035. The roadmap identifies key actions across five integrated workstreams including forestry, manufacturing, design, construction, and policy.
CodeMaster Reference - Design of Tall Mass Timber
2021
S. K. Ghosh Associates LLC
A condensed 4-page laminated quick reference guide that provides an 11-step procedure for determining structural, fire protection, special inspection, energy, sound transmission, and construction fire safety requirements for tall mass timber buildings. The guide includes key requirements highlighting, helpful illustrations, and "Secrets of the CodeMaster" tips for practical application.
Comparing Tall Timber Building Size Limits to Other Construction Types
2022
WoodWorks
Detailed comparison of height and area limits for Type I-A and I-B construction versus limits for the new tall timber construction types (IV-A, IV-B, IV-C) in the 2021 International Building Code. Covers methodology used by the Ad Hoc Committee on Tall Wood Buildings to develop allowable heights and areas, building size determination factors including construction type and occupancy, and comparative analysis of fire resistance requirements. Includes multiplier approach used for different construction types and occupancy-specific adjustments for safety and efficacy.
Creating Efficient Structural Grids in Mass Timber Buildings
2024
WoodWorks
Technical guidance on optimizing structural grids for mass timber buildings to maximize cost efficiency and performance. Covers square versus rectangular grid options, span ranges for mass timber floor panels (CLT, NLT, glulam), manufacturer capabilities and panel sizing constraints, MEP coordination considerations, and project examples demonstrating efficient grid layouts. Addresses the importance of designing mass timber buildings as mass timber buildings from the start rather than forcing mass timber solutions onto grids designed for steel and concrete.
Demonstrating Fire-Resistance Ratings for Mass Timber Elements in Tall Wood Structures
2022
WoodWorks
Practical guidance on achieving fire-resistance ratings (FRRs) under the new mass timber construction types (IV-A, IV-B, IV-C) introduced in the 2021 International Building Code. Examines how to demonstrate FRRs for mass timber elements in tall wood structures, covering the three new construction types based on Heavy Timber but with additional fire protection requirements. Addresses fundamental fire performance considerations that were part of the code development process for buildings up to 18 stories and 270 feet.
Designing Mass Timber Floor Assemblies for Acoustics
2022
WoodWorks
Technical guidance on acoustic design for mass timber floor assemblies in multi-family and commercial buildings. Addresses unique acoustic challenges of mass timber construction, asymmetric assemblies when structure is left exposed, and methods to improve acoustic performance through adding mass, noise barriers, and decouplers. Covers STC and IIC ratings for bare mass timber panels, concrete/gypsum toppings, acoustical mats, and assembly strategies. References companion resources including "Acoustics and Mass Timber: Room-to-Room Noise Control" and inventory of acoustically-tested assemblies.
Element5 Design Guide
2022
Element5 Limited Partnership
The Element5 CLT Design Guide is a comprehensive technical resource providing detailed product specifications and span tables for Cross-Laminated Timber (CLT) panels manufactured by Element5. The guide includes complete product characteristics, available layup configurations (3-ply to 9-ply panels), strength and stiffness properties, and extensive span tables for floor and roof applications. The document covers panels manufactured in compliance with ANSI/APA PRG 320-2019 Standard and assists architects and engineers with preliminary design and specification.
Fast+Epp Design Apps
2024
Fast + Epp Structural Engineers
A suite of four free web-based design tools including the Bay Design Tool for calculating member sizes, embodied carbon, and volume outputs for structural grids; an Embodied Carbon Calculator for early design stage carbon calculations; a Member Calculator for determining structural component depths; and a Material Gallery showing how materials look when exposed. The tools are designed by internationally recognized structural engineering firm Fast + Epp to simplify design processes and integrate sustainability considerations.
Forest Supply Chain Analysis Series
2024
Olifant
This comprehensive collection of regional studies examines the economic, environmental, and supply chain implications of mass timber construction across the United States. Developed by Olifant under a USFS Wood Innovation Grant, the series includes detailed analyses for the Upper Midwest, Rocky Mountain Colorado, and Southeast regions. Each study presents comparative building redesigns to quantify cost differences, schedule savings, and carbon reduction potential of mass timber construction.
Generate Platform
Regularly updated
Generate
Generate is an innovative digital platform that automates mass timber design and quoting to streamline project development. Created by MIT, the platform functions as a Configure, Price, Quote (CPQ) system specifically built for mass timber construction. It enables architects, engineers, and developers to create full-fidelity mass timber design concepts within minutes while working in a code, cost, and carbon-aware digital environment.
Green Construction through Wood (GCWood) Program
Regularly updated
Natural Resources Canada (NRCan) - Canadian Forest Service
GCWood is a Canadian government funding program that provides non-repayable contributions of up to $1.4 million to demonstration projects using innovative wood and hybrid construction design, research and technology transfer activities, and building code revisions. The program aims to showcase new construction technologies using mass timber and engineered wood products to advance market access and competitiveness for Canada's natural resource sectors.
How to Successfully Cost Manage a Mass Timber Project
2024
WoodWorks
This comprehensive guide provides general contractors with detailed frameworks for cost estimating and management specific to mass timber projects. It bridges the knowledge gap for contractors lacking traditional benchmarking data, offering practical steps for planning, budgeting, and managing CLT and glulam construction costs.
Integrated Project Delivery For Public and Private Owners
2015
Associated General Contractors of America (AGC)
Comprehensive guide to Integrated Project Delivery (IPD) methods for both public and private sector owners. Explains how IPD aligns team incentives and promotes collaboration through shared risk and reward structures. Covers contractual frameworks, team selection, project delivery processes, and performance measurement for integrated approaches. Addresses legal considerations, procurement methods, and implementation strategies for owners considering alternative delivery methods that promote early collaboration between owners, designers, and contractors. Includes case studies demonstrating successful IPD implementation across various project types and sizes.
Key Design Considerations for Mass Timber Projects
2024
WoodWorks
Comprehensive technical guide covering critical design decisions for mass timber projects including construction type selection, fire resistance ratings, panel thickness optimization, member sizing, and occupancy implications. Addresses systematic approach to construction type analysis starting from Type V-B through Type IV, relationship between fire resistance requirements and mass timber panel thickness, mixed-use and occupancy separation strategies, sprinkler thresholds and fire area considerations. Includes detailed comparison tables for construction Types III, IV, and V, with specific guidance on allowable materials, FRR requirements, and code compliance strategies. Covers upcoming 2021 IBC changes for Type IV construction and concealed spaces.
Mass Timber AMM Guide
2025
American Wood Council (AWC)
The American Wood Council (AWC) has released a national Mass Timber Alternative Materials and Methods (AMM) Guide for use with the 2018 International Building Code (IBC). This new resource is designed to support building code officials as they review, permit and approve mass timber projects across the country. The AMM Guide is designed to help bridge the gap between the codes adopted in each state and the newer mass timber provisions in the 2024 IBC. The AMM guide serves to fill that space by offering code provisions for jurisdictions without mass timber specific guidance.
Mass Timber Comparative Life Cycle Assessment Series
2024
WoodWorks
Introduction to comprehensive research series comparing embodied carbon impacts and cost of mass timber buildings to functionally equivalent steel and concrete systems. Series compilation of comparative building studies based on designed reference buildings in the United States, utilizing whole building life cycle assessment (WBLCA), dollar cost analysis, and construction speed comparisons. Studies include embodied carbon impacts of structural systems, vertical and roof enclosures, fire protection, acoustic performance, and ceiling finishes for holistic comparison. Developed collaboratively by KL&A Engineers & Builders / KL&A Team Carbon and WoodWorks with USDA U.S. Forest Service and Softwood Lumber Board funding. Emphasizes transparency in methodology, scope, and assumptions using TallyLCA tool.
Mass Timber Design Manual – Volume 2
2022
WoodWorks and Think Wood
This comprehensive design manual provides architects, engineers, and construction professionals with detailed technical guidance on mass timber building systems. The extensively illustrated guide covers mass timber products, construction types, fire safety, structural considerations, and sustainability aspects through expert insights and project case studies. It serves as a valuable reference for both new and experienced professionals implementing mass timber solutions.
Mass Timber Insurance Playbook – U.S. Edition
2024
WoodWorks
A comprehensive framework that gives developers, design/construction professionals, and insurers guidance for working together to resolve s that impact the insurability of mass timber buildings. Adapted from the original UK Mass Timber Insurance Playbook, it provides non-prescriptive guidance on managing risk and securing adequate insurance coverage for both construction and operation phases
Mass Timber Project Questionnaire for Builder’s Risk Insurance
2022
WoodWorks
An editable questionnaire designed to help construction, development and design teams collect mass timber project-specific information to share with insurance teams. The form aims to preemptively address common insurer questions and concerns about mass timber projects.
Meeting Sustainability Objectives with Wood Buildings
2023
WoodWorks
3-page brief providing high-level overview of mass timber's contributions to sustainable development goals, including healthy buildings, reduced carbon impact, resilience, and circularity. Featuring insights from developers of mass timber projects in the U.S., considers how developers and owners can take advantage of wood's benefits to create buildings that contribute value by attracting tenants, align with evolving policy requirements, and appeal to investors who are increasingly seeking sustainable investments. Focuses on business value creation through sustainability objectives rather than technical implementation details.
New Mass Timber Act to Target All Federal Buildings — US Congress
2024
Wood Central
News coverage of proposed federal legislation targeting mass timber use in all federal buildings. Introduced by Senators Jeff Merkley and Susan Collins, the legislation aims to systematically increase mass timber adoption across federal construction projects. The proposed Mass Timber Act would establish requirements for federal agencies to consider mass timber as a primary building material for appropriate federal construction and renovation projects, potentially creating significant market demand and demonstrating government leadership in sustainable construction practices.
One Click LCA
Regularly updated
One Click LCA (Bionova Ltd)
One Click LCA is a comprehensive digital platform designed to streamline life cycle assessment (LCA) and carbon calculation processes for construction projects. The software enables architects, engineers, and construction professionals to automate embodied carbon calculations through integration with existing design workflows, including 20+ BIM software connections. The platform features access to over 300,000 construction material datapoints and compatibility with 80+ global sustainability standards and certifications.
Quebec's Wood Construction Innovation Program
Ongoing program (current)
Government of Quebec
Provincial funding program supporting innovation in wood construction through financial assistance for research, development, and demonstration projects. Provides grants and technical support for projects that advance wood construction technology, improve building performance, and develop new applications for wood products. Targets both public and private sector projects that demonstrate innovative approaches to wood construction and contribute to development of provincial wood construction expertise and capabilities.
Shaft Wall Requirements for Tall Mass Timber Buildings
2022
WoodWorks
In-depth technical guide examining shaft enclosure requirements for the three new tall mass timber construction types (IV-A, IV-B, IV-C) introduced in the 2021 IBC. Covers comprehensive analysis of allowable materials, noncombustible protection requirements, fire-resistance ratings, and other design considerations for stairs, elevators, and MEP chases in multi-story buildings. Addresses specific requirements for mass timber use in shaft walls, protection time calculations, contribution to FRR through combination of timber charring and noncombustible protection, and detailed construction specifications. Includes practical guidance on detailing floor-to-shaft and roof-to-shaft wall intersections, with consideration of structural loads, acoustics, and fire barrier continuity.
A Guideline for Insuring Timber in Canada
2022
WoodWorks / Canadian Wood Council
A practical guide developed with input from insurance stakeholders to support timber construction projects by outlining steps to ensure favorable insurance applications and maximize risk mitigation potential. Provides insider insight to increase project success and addresses the of insurance rates becoming a significant cost in overall project budgets for taller wood buildings.
Alternative Solutions Guide (CWC)
2025
WoodWorks / Canadian Wood Council
A guidance document that helps proponents and regulators navigate the objective-based format of the National Building Code of Canada (NBC) which is "intended to allow more flexibility when evaluating non-traditional or alternative solutions." The guide addresses how to demonstrate compliance when buildings fall outside prescriptive boundaries and provides information on minimum performance levels that must be achieved for evaluation of new alternatives in wood construction.
American Wood Council Wood Sourcing Tool
2024
American Wood Council (AWC)
An online tool designed to help users understand the sustainability and sourcing of wood products used in low- and zero-carbon construction. The tool provides wood sourcing data based on a product's mill grade stamp or region, using the ASTM D7612-21 standard framework for identifying wood product sources. Categorizes wood sources as Non-Controversial, Responsible, or Certified, with fiber sourcing data provided by AWC member companies and updated annually. Includes sustainable forestry FAQs and regional facts about wood sourcing to provide broader understanding of wood products used in buildings across the country.
Aureus Earth's Carbon Financing
No date
Aureus Earth
A carbon finance company that monetizes the carbon reduction and storage potential of mass timber buildings by creating carbon offsets and providing equity funding to developers. The company has developed the Mass Timber Building Protocol (MTBP) to quantify biogenic carbon storage and converts this into tradeable carbon assets that provide cash flow to offset the green premium of mass timber construction.
BEAM Estimator
2022
Builders for Climate Action
The BEAM Estimator is a free, web-based carbon footprint calculator specifically designed for low- and mid-rise residential and commercial buildings. Developed by Builders for Climate Action, BEAM enables users to input building dimensions and select from comprehensive material options to calculate embodied carbon impacts for structural, enclosure, and partition assemblies. The tool focuses on "cradle-to-gate" analysis and is designed for practitioners without LCA backgrounds, providing comparative information through an intuitive interface.
Biophilic Design LookBook
2022
Think Wood (in partnership with WoodWorks - Wood Products Council)
A comprehensive visual guide that explores the role of wood in biophilic design, featuring over 50 pages of project examples, design inspirations and research on how natural elements like exposed wood can boost occupant well-being through connection to nature. The resource addresses how biophilic design elements have been attributed to positive outcomes in humans—from reducing stress to boosting productivity.
Building Trust for a Stronger Construction Industry
2025
A. Hoots et al. (ResearchGate publication)
A literature review exploring the significance of trust in improving project outcomes and overall well-being of the construction industry. The paper examines trust's impact on team dynamics, criteria for establishing trust, and identifies gaps in construction industry research. Explores how absence of trust creates substantial collaboration barriers resulting in adversarial relationships, contractual disputes, and workforce inefficiency. Demonstrates that trust fosters open communication, enhanced safety, better quality, predictable schedules, innovation, employee retention, and client satisfaction. Identifies research gaps in areas of non-relational agreements, North American construction markets, and relationships between project cost, risk, contracts, and trust.
CLT Diaphragm Design for Wind and Seismic Resistance
2022
WoodWorks
Technical resource addressing the design of CLT diaphragms following the new provisions in SDPWS 2021. Covers overview of new CLT diaphragm provisions, implementation recommendations, design loads and force increase factors, connection requirements using dowel-type fasteners, detailing considerations for boundary elements, and diaphragm flexibility analysis. Addresses coordination with ASCE 7-16 requirements, collector and chord design, panel-to-panel connection details, and provides practical guidance for practicing engineers implementing CLT diaphragm design in mass timber projects.
Calculating the Carbon Stored in Wood Products
2025
WoodWorks
Educational resource providing straightforward calculation methods for determining carbon storage in wood products. Explains that wood is approximately 50% carbon by dry weight and provides step-by-step calculations for common structural wood species. Includes species-specific density data, demonstrates conversion from stored carbon to equivalent CO2, and provides calculation tables for common structural wood species. Emphasizes that carbon storage is a unique attribute of wood compared to other structural materials and explains the molecular basis for carbon-to-CO2 conversion calculations.
Carbon Accounting Tools for Structural Systems
2025
WoodWorks
Comprehensive overview of whole building life cycle assessment (WBLCA) tools and carbon calculators available to building designers for evaluating carbon impacts of different structural systems. Covers LCA methodology, detailed comparison of major North American tools (Athena Impact Estimator, tallyLCA, One Click LCA), differences in biogenic carbon treatment, simplified carbon calculators, and guidance for tool selection. Includes comparison table of tool features and limitations, software resource links, and emphasizes importance of understanding tool limitations and assumptions, particularly for wood buildings where biogenic carbon accounting varies significantly between tools.
Commercial Projects That Pencil Out
2024
Think Wood (funded by the Softwood Lumber Board)
A collection of six commercial mass timber projects that demonstrates how mass timber can be a business differentiator in the commercial sector post-remote work era. The resource shows how developers like Hines and Howard Hughes Holdings are using mass timber to create welcoming, invigorating work environments and boost their commercial real estate business, with projects that drive cost savings, deliver added value, and boost marketability.
Considerations & Worksheet for Structural WBLCA of Mass Timber Buildings
2024
WoodWorks
Guidance for mass timber building designers undertaking whole building life cycle assessment (WBLCA). Outlines requirements pertaining to life cycle assessment found in international standards and provides guidance on how WBLCAs for mass timber buildings are performed using commercially available LCA tools. Companion resource to WoodWorks' WBLCA Worksheet. Addresses standardization challenges in WBLCA methodology and provides practical guidance for design teams conducting environmental impact assessments of mass timber buildings.
Current EPDs for Wood Products
2025
WoodWorks
Comprehensive list of Environmental Product Declarations (EPDs) available for wood products as of June 2025. Covers Type III environmental declarations reporting environmental impacts from cradle to gate for construction products. Details North American structural wood EPDs from AWC and CWC (2020), regional EPDs released in 2025, and extensive list of product-specific EPDs from manufacturer partners including mass timber products (CLT, glulam, DLT), light-frame products, and other building materials. Explains EPD development standards (ISO 14025, 14040, 14044, 21930) and provides links to databases and additional resources.
Denver Green Code
2022
City and County of Denver
Denver's voluntary green building code based on the International Green Construction Code 2021 (IGCC) with local amendments. Provides 10% better performance than Denver's base building code and offers expedited permitting for projects that choose to comply. Includes requirements for energy efficiency, water conservation, sustainable materials, indoor environmental quality, and site sustainability. Supports Denver's 80×50 Climate Action Plan calling for 80% emission reductions by 2050. Features options for LEED Platinum, net zero energy buildings, and Passive House compliance pathways. Applicable to various building types and sizes with specific provisions for green roofs, solar readiness, EV charging infrastructure, and enhanced building performance standards.
Developing a Functionally Equivalent Design for Comparative WBLCA
2024
WoodWorks
Technical guidance for identifying requirements for functionally equivalent building designs in comparative whole building life cycle assessment (WBLCA) studies. Covers essential considerations including occupancy/use matching, building size equivalency, structural hazards and loads, codes and standards alignment, service life expectations, and unique design features. Addresses differences that may exist between comparative designs (construction type, grid spacing, floor-to-floor height, lateral systems, foundation systems) and references companion resources including WBLCA Worksheet for tracking variables and constants.
Embodied Carbon in Construction Calculator (EC3)
2019
Building Transparency (developed initially by Skanska and C Change Labs, incubated by Carbon Leadership Forum)
The Embodied Carbon in Construction Calculator (EC3) is a free, cloud-based platform that enables benchmarking, assessment, and reduction of embodied carbon in construction materials. Developed through collaboration between nearly 50 industry partners, EC3 utilizes building material quantities from construction estimates and BIM models combined with a robust database of over 24,000 digitized, third-party verified Environmental Product Declarations (EPDs). The tool allows architects, engineers, contractors, and policymakers to compare materials during design and procurement phases to identify low-carbon alternatives.
Fire Design of Gypsum Wall Board over Mass Timber
2025
WoodWorks
Technical guidance on fire-resistance ratings of mass timber members achieved by combination of direct-applied gypsum wallboard and inherent timber char. Covers code paths and design options for demonstrating FRR when mass timber is covered with gypsum wallboard, tested assembly methods, calculation design methods including Component Additive Method (CAM) from IBC 722.6 and IBC 722.7, and AWC's Fire Design Specification methodology. Includes practical examples across different construction types and applications, with references to companion fire design resources.
Free Webinars Showcasing Wood And Mass Timber Construction Topics
Regularly updated
WoodWorks
Ongoing educational programming offering free webinars, in-person events, and building tours showcasing wood and mass timber construction topics. Covers technical design considerations, code requirements, project examples, and practical implementation guidance. Events include both online webinars accessible nationally and regional in-person events and building tours. Topics address latest advances in wood design, code requirements, innovative projects, and knowledge expansion for mass timber building design.
Georgia Mass Timber Accelerator
Regularly updated
Georgia Forestry Foundation (GFF) in partnership with USDA Forest Service and Softwood Lumber Board
The Georgia Mass Timber Accelerator provides $25,000 grants and comprehensive technical assistance to development teams exploring mass timber construction in early project phases. The program is part of the "Seedlings to Solutions" initiative that demonstrates the complete supply chain from Georgia forests to finished buildings. Selected projects receive WoodWorks technical support, carbon accounting analysis using their Carbon Calculator tool, life cycle assessments, preliminary cost-benefit analysis, and design/planning assistance to quantify the benefits of mass timber materials and practices.
How Can a Developer/Owner Get Started with Mass Timber?
2022
WoodWorks
2-page document developed for ULI members highlighting project examples and covering mass timber and hybrid structures, structural components, maximizing returns through multiple projects, and vertical additions. Addresses how developers and owners can gain experience with mid-rise buildings before pursuing greater heights allowed under 2021 International Building Code. WoodWorks noted as ULI Greenprint Innovation Partner, with focus on practical entry strategies for developers new to mass timber.
How to Use Environmental Product Declarations
2024
WoodWorks
Comprehensive guidance addressing the limitations of using EPDs alone to determine environmental impacts of construction products. Covers limitations of product-category comparisons, importance of Product Category Rules (PCRs), differences between North American vs. European wood product PCRs, data harmonization challenges, and appropriate applications for EPDs. Explains when and how EPDs should be used, differences between cradle-to-gate EPDs and cradle-to-grave LCAs, and tools like EC3 for procurement phase comparisons. Emphasizes the need for whole building life cycle assessment (WBLCA) for system-level comparisons and material selection.
Introduction to Whole Building Life Cycle Assessment: The Basics
2024
WoodWorks
Fundamental primer on life cycle assessment (LCA) and whole building life cycle assessment (WBLCA) methodology. Covers comprehensive overview of life cycle stages (A1-A3 Production, A4-A5 Construction, B1-B7 Use, C1-C4 End-of-Life, and Module D), defining scope and functional equivalency for comparative studies, environmental impact categories including embodied carbon, and overview of WBLCA software tools. Addresses importance of early-phase assessment to inform design decisions, differences between product-level and building-level LCA, and considerations for measuring and reducing embodied carbon impacts. Emphasizes systematic approach to compiling and analyzing environmental impacts of entire building systems.
LCA and Timber Optimization
2018
Carbon Leadership Forum
This research project explores how mass timber buildings can be optimized for material efficiency and supports regionally-specific LCA case studies of mass timber office buildings in the Pacific Northwest. The study examines transitioning low to mid-rise commercial construction to CLT/heavy timber and analyzes environmental benefits, forest health operations, and economic opportunities for rural timber-dependent communities. The research was funded by USDA under a McIntire-Stennis Grant and includes contributions from Architecture students and faculty.
Mass Timber Building Science Primer
2021
Mass Timber Institute (University of Toronto)
This primer provides an overview and introduction to mass timber technology and applications ranging from long-spanning roof structures to tall timber towers, written by Dr. Ted Kesik and Rosemary Martin in partnership with RDH Building Science. Developed by the Mass Timber Institute with industry collaboration, it addresses the specialized building science knowledge needed to deliver well-performing projects that is often not accessible to architects and engineers. The primer is aimed at average design practitioners with little to no familiarity with mass timber building technology.
Mass Timber Construction Success Checklist
No date
WoodWorks BC in partnership with Seagate Mass Timber
A comprehensive checklist designed to ensure mass timber construction projects achieve their full potential by addressing the higher level of coordination required compared to traditional structural systems. Covers all phases from design through post-installation, emphasizing early planning, clear communication, and shared understanding across project teams.
Mass Timber Fire & Acoustic Database
Regularly updated
WoodWorks
Interactive database aimed at the design community for finding fire and acoustically-rated assemblies, connections, and penetrations using systems compliant with North American standards. Features North American mass timber assemblies, firestopping systems for penetrations and perimeter wall systems, connections, and noncombustible coverings that have demonstrated fire performance through testing and other approved methods. Includes detailed information on mass timber assemblies that have been acoustically tested in the U.S., including STC and ICC ratings and links to associated test reports. Participating manufacturers actively update the database to ensure it includes the latest products and tested assemblies.
Mass Timber Insurance Strategy Roadmap: 2025-2030
2025
WoodWorks - Wood Products Council (with FieldEdge)
Comprehensive strategic roadmap addressing insurance challenges and opportunities for mass timber construction over the next five years. Developed to guide industry stakeholders, insurers, and policymakers in addressing barriers to mass timber insurance coverage. Outlines specific initiatives, research priorities, and collaborative efforts needed to improve insurer understanding of mass timber performance and reduce insurance-related barriers to adoption. Includes timeline of deliverables, stakeholder engagement strategies, and metrics for measuring progress in improving insurance accessibility for mass timber projects.
Mass Timber in Affordable Multi-Family Housing
2024
WoodWorks
Comprehensive blueprint for design providing detailed guidance on design steps, code compliance options, and material optimization strategies for utilizing mass timber in affordable housing projects. Focuses on three structural typologies: small (1-3 stories), medium (4-8 stories), and large (9+ stories) buildings. Covers potential benefits including sustainability advantages, labor savings, foundation savings, occupant wellbeing, reduced height opportunities, and differentiated product value. Includes 18+ pages of detailed content on construction type options and fire-resistance rating, acoustic performance, structural design of mass timber floor panels, lateral system options, and examples of affordable housing projects across the country. Builds on WoodWorks' Mass Timber Cost and Design Optimization Checklists.
Mercer Mass Timber Design Guide
2024
Mercer Mass Timber (MMT)
The Mercer Mass Timber Design Guide is a comprehensive technical manual covering both Cross-Laminated Timber (CLT) and Glulam products manufactured at Mercer's three North American facilities. As one of the largest mass timber producers in North America with capacity to deliver over 1,600 truck loads annually, MMT provides detailed engineering specifications and design values across multiple wood species. The guide emphasizes Mercer's vertically integrated approach, from design-assist services through manufacturing to installation, with comprehensive quality assurance standards.
New York Timber Studio
Regularly updated
New York City Economic Development Corporation (NYCEDC) and Newlab in collaboration with Mayor's Office of Climate and Environmental Justice
The NYC Mass Timber Studio is a climate innovation program that provides $25,000-$29,000 grants and comprehensive technical assistance to design and development teams exploring mass timber construction in early project phases. The program operates for 8-9 months, during which teams receive regular technical support from WoodWorks, regulatory guidance from NYC Department of Buildings and Fire Department, and participate in public presentations and industry events. The inaugural cohort included 7 projects across all five boroughs, with 6 located in environmental justice communities, demonstrating successful navigation of NYC's regulatory framework and advancing mass timber adoption.
Online Mass Timber And Wood Sustainability Resources
Regularly updated
WoodWorks
Online portal providing practical guidance on whole building life cycle assessment, biogenic carbon, carbon storage, environmental product declarations, and more. Features collection of expert tips, tools, and resources covering wood's sustainability attributes including low embodied carbon, biogenic carbon storage, forest management practices, and building performance benefits. Includes WoodWorks Carbon Calculator tool, case studies, biophilic design information, thermal performance considerations, and connections to comprehensive carbon accounting series. Serves as central hub for sustainability-related wood building resources and educational content.
Quebec's Wood Integration Policy in Construction
Ongoing policy (current)
Government of Quebec
Provincial policy framework promoting integration of wood and wood products in construction projects in Quebec. Establishes requirements and incentives for using wood in government-funded construction projects and provides support for private sector wood construction initiatives. Part of Quebec's broader forest sector development strategy aimed at increasing domestic wood utilization and supporting provincial forestry industry. Includes technical support, funding programs, and regulatory frameworks to facilitate increased wood construction across building types and scales.
Smartlam North America Design Guide
2025
Smartlam North America
The Smartlam North America Design Guide is a comprehensive technical manual for Cross-Laminated Timber (CLT) and Glulam design and specification. Created by one of the first certified CLT manufacturers in the United States, the guide provides detailed engineering data, preliminary sizing tables, and structural design values for mass timber construction. The manual covers multiple CLT grades manufactured at Smartlam's facilities in Montana and Alabama, including species-specific design properties for Douglas Fir, Southern Pine, and Spruce-Pine-Fir.
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